3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = ['b' => 'Test']; echo <<<EOT $a[b]; {$a['b']} EOT;
Output for 7.3.16 - 7.3.33, 7.4.3 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Test; Test
Output for 5.4.0 - 5.4.22, 7.2.29 - 7.2.33
Parse error: syntax error, unexpected end of file in /in/Rp2L3 on line 10
Process exited with code 255.
Output for 5.3.0 - 5.3.27
Parse error: syntax error, unexpected '[' in /in/Rp2L3 on line 3
Process exited with code 255.

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139.4 ms | 401 KiB | 191 Q